There are hereby transferred to the director of the department of behavioral healthcare, developmental disabilities and hospitals:

(1)  Those functions of the former department of social welfare which are administered through or with respect to the division of curative services, to include generally and specifically the hospitals, mental institutions and other similar agencies (titles 14, 26 and 40); the division of business services to include generally and specifically all central management, financial and other services concerned with business and servicing operations, specifically excluding however the licensing of homes for the aged and convalescent persons (title 40); and the mental health law (title 40);

(2)  All functions of the division of curative services, division of business services, and the mental health law formerly of the department of social welfare and of all other officers, employees, agencies and advisory councils, committees or commissions of the division of curative services, division of business services, and the mental health law;

(3)  So much of other functions or parts of functions of the former director of the department of social welfare as is incidental to or necessary for the performance of the functions transferred by subdivisions (1) and (2).